﻿//
// Created by francklinson on 2021/3/16.
//

#include <iostream>

void simple();  // function prototype 函数原型

int main()
{
    using namespace std;
    cout << "main() will call the simple() function:\n";
    simple();   // function call 函数调用
    cout << "main() is finished with the simple() function.\n";
    // cin.get();
    return 0;
}

// function definition
void simple()
{
    using namespace std;
    cout << "I'm but a simple function.\n";
}